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K31.3

Billable

Pylorospasm, not elsewhere classified

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A spasm of the pyloric muscle (the outlet of the stomach) that causes temporary obstruction and prevents food from passing into the small intestine.

Coding Tips

  • •This is a functional disorder without structural abnormality
  • •Distinguish from pyloric stenosis (K31.1) which involves permanent thickening

Excludes 1 — Do NOT code together

  • congenital or infantile pylorospasm (Q40.0)
  • neurotic pylorospasm (F45.8)
  • psychogenic pylorospasm (F45.8)

Code Hierarchy

└K31Other diseases of stomach and duodenum└K31.3Pylorospasm, not elsewhere classified
└K31.3Pylorospasm, not elsewhere classified

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